/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets;

import controlador.DocumentoArchivadoJpaController;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import modelo.DocumentoArchivado;

/**
 *
 * @author Mike
 */
public class verDocumento extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
       
        try {
            
            DocumentoArchivadoJpaController docjpa = new DocumentoArchivadoJpaController();
            
            String iddoc = request.getParameter("id");
            
            
            
            DocumentoArchivado doc = docjpa.findDocumentoArchivado(Integer.parseInt(iddoc));

            byte[] data = doc.getDocumento();
            ServletOutputStream outputStream = response.getOutputStream();
            response.setContentType("application/pdf");
            response.setHeader("Content-disposition","inline; filename=documento.pdf" );
            response.setHeader("Cache-Control","no-cache");
            response.setHeader("Pragma","no-cache");
            BufferedOutputStream bos = new BufferedOutputStream(outputStream);
            bos.write(data);
            bos.close();
            

        }
        
        catch (Exception e) {
         e.printStackTrace();
} 
        

    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
